Last frost date in Camas, WA
In Camas, the last spring frost comes around March 16 in an average year. Wait until April 12 if you want 90% odds of no more frost. The first fall frost usually arrives about November 20, which leaves 250 frost-free days. An early freeze before October 30 happens one year in ten.
- Safe after (10% risk)
- Apr 12
- Average first frost
- Nov 20
- Frost-free season
- 250 days
- Hard freeze (28°F) ends
- Feb 14
Frost possible in low spots Fri night, low 36°F
Earlier than usual: the average first frost here is November 20.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2239°
- FriOct 2336°possible frost
- SatOct 2440°
- SunOct 2543°
- MonOct 2640°
- TueOct 2739°
Planting calendar for Camas
Windows count forward or back from the average frost dates above. Click a crop for dates across Washington.
TomatoesMar 23–Apr 6
PumpkinsMar 30–Apr 13
SunflowersMar 16–Apr 6
CucumbersMar 30–Apr 6
CornMar 23–Apr 6
Sweet potatoesApr 6–Apr 20
WatermelonMar 30–Apr 13
Green beansMar 23–Apr 13
ZucchiniMar 23–Apr 6
OkraApr 6–Apr 20
PeppersMar 30–Apr 13
BasilMar 23–Apr 6
Butternut squashMar 23–Apr 6
CantaloupeMar 30–Apr 13
EggplantMar 30–Apr 13
PotatoesFeb 16–Mar 2
OnionsFeb 2–Feb 23
CarrotsFeb 23–Mar 30
LettuceMar 2–Mar 23
BroccoliFeb 16–Mar 2
BeetsFeb 16–Mar 30
PeasFeb 2–Feb 16
CabbageFeb 16–Mar 2
RadishesFeb 9–Mar 23
Brussels sproutsMar 2–Mar 16
SpinachFeb 2–Feb 23
CilantroMar 2–Mar 23
KaleFeb 16–Mar 2
Collard greensFeb 16–Mar 2
TurnipsFeb 16–Mar 2
DillMar 16–Mar 30
CeleryMar 23–Mar 30
CauliflowerMar 2–Mar 16
LeeksMar 2–Mar 16
Swiss chardMar 2–Mar 30
ParsleyMar 2–Mar 23
Tulip bulbsNov 6–Dec 11
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
StrawberriesFeb 16–Mar 2
AsparagusFeb 16–Mar 2Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Feb 18 | Mar 16 | Apr 12 | Oct 30 | Nov 20 | Dec 17 |
| Hard freeze, 28°F | Dec 27 | Feb 14 | Mar 10 | Nov 15 | Dec 15 | Feb 3 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Portland Troutdale Airport (USW00024242) sits 3.7 miles from the center of Camas at 29 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Camas, WA?
The average last frost date in Camas is March 16, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 12.
When is the first frost in Camas?
The first frost in fall usually comes around November 20. One year in ten it arrives before October 30.
How long is the growing season in Camas?
About 250 days between the average last and first frost.
When should I plant tomatoes in Camas?
Plant tomato seedlings outside from March 23 to April 6. Start seeds indoors six to eight weeks earlier.
Nearby in Washington
- OrchardsApr 26
- VancouverMar 29
- Five CornersApr 26
- Hazel DellApr 26
- Battle GroundApr 26
- LongviewApr 8
- TumwaterApr 29
- GrahamApr 11
- LaceyApr 29
- OlympiaApr 29
- FredericksonApr 11
- SpanawayApr 11